US6177869B1 - Removable security device for portable articles - Google Patents
Removable security device for portable articles Download PDFInfo
- Publication number
- US6177869B1 US6177869B1 US09/400,593 US40059399A US6177869B1 US 6177869 B1 US6177869 B1 US 6177869B1 US 40059399 A US40059399 A US 40059399A US 6177869 B1 US6177869 B1 US 6177869B1
- Authority
- US
- United States
- Prior art keywords
- receiver
- alarm housing
- alarm
- security device
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1445—Mechanical actuation by lifting or attempted removal of hand-portable articles with detection of interference with a cable tethering an article, e.g. alarm activated by detecting detachment of article, breaking or stretching of cable
- G08B13/1463—Physical arrangements, e.g. housings
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1436—Mechanical actuation by lifting or attempted removal of hand-portable articles with motion detection
Definitions
- the present invention relates to security devices for portable articles, more particularly, to a removable security device for portable computers and the like that includes a cable for securing the device to a stationary object and an audible alarm.
- An object of the present invention is to provide a security device for portable electronic equipment that is portable and relatively robust.
- Another object is to provide a security device for portable electronic equipment that can be removed from the portable article when not in use.
- a further object is to provide a security device for portable electronic equipment that has a audible alarm and alternate methods of triggering the alarm.
- the removable security device of the present invention is for use on a portable article, such as a portable computer, and comprises (a) an alarm housing with an audible electronic alarm circuit and a locking mechanism; (b) a receiver for attachment to the portable article; (c) a pair of opposed rails on the bottom surface of the alarm housing, the rails defining a channel approximately parallel to the bottom surface and having an ingress; (d) a pair of opposed flanges on the receiver shaped to mate relatively snugly with the channel and to slide into the channel ingress; (e) a stop means for preventing the flanges from sliding beyond effective engagement with the channel, the alarm housing considered to be installed on the receiver when the flanges are slid into the channel and stopped by the stop means; and (f) a lock bolt operated by the locking mechanism to extend from the alarm housing bottom surface into a shaped depression in the receiver when the alarm housing is installed on the receiver in order to secure the alarm housing to the receiver, and to retract from the shaped depression into the alarm housing to permit removal of the
- a pair of opposed rails define a channel approximately parallel to the surface of the alarm housing.
- the rails are elongated and extend for the entire length of the channel.
- each rail is a linear set of L-shaped protrusions. At least one end of the channel is open at an ingress.
- the receiver attached to the portable article, provides a pair of opposed flanges that slide into the channel via the ingress. A stop prevents the flanges from sliding beyond effective engagement with the channel.
- the receiver is either manufactured integrally with the portable article or attached to a pre-existing portable article permanently or removably. If removably attached, the attachment is not accessible when the alarm housing is installed on the receiver.
- the alarm housing has a locking mechanism, operated by a key or combination, that operates a lock bolt that extends from the alarm housing into a shaped depression in the receiver.
- the lock bolt is biased out of the alarm housing and snaps into the depression when the alarm housing is installed on the receiver.
- the locking mechanism is used to retract the lock bolt out of the depression and into the alarm housing so the alarm housing can be removed from the receiver.
- a cable is housed within the alarm housing and is retractable.
- a cable pushbutton operates the retraction mechanism when the locking mechanism is not engaged.
- the free end of the cable has a plug that mates with a socket in the alarm housing.
- the socket is operated by a socket pushbutton that releases the cable when the locking mechanism is not engaged.
- the present invention uses an independent cable that has a plug that fits into a socket in the alarm housing. It is also contemplated that both configurations can be accommodated in by one alarm housing.
- the alarm circuit includes an audible alarm that is triggered by one or more of a number of optional means.
- One means is through cutting the cable after the alarm has been armed.
- Another is by an optional motion detector.
- the battery compartment has a hatch to which access is denied when the alarm housing is installed on the receiver.
- the locking mechanism secures the hatch.
- FIG. 1 is a top perspective view of the alarm housing of the present invention
- FIG. 2 is a bottom perspective view of the alarm housing of FIG. 1;
- FIG. 3 is a top perspective view of the receiver of the present invention.
- FIG. 4 is a bottom perspective view of the receiver of FIG. 3;
- FIG. 5 is a cross-sectional view of the present invention with the alarm housing installed on the receiver;
- FIG. 6 is a perspective view of the alarm housing showing alternate configurations of several components
- FIG. 7 is a block diagram of the alarm circuitry
- FIG. 8 is a cross-sectional view of the security mechanism for the battery hatch.
- the removable security device 10 of the present invention is for use on a portable article 8 , such as a portable computer.
- a portable article 8 such as a portable computer.
- the alarm housing 12 is removably securable to the receiver 14 by a channel/flange arrangement.
- the channel 20 is defined by a pair of opposed rails 28 protruding from the bottom surface 22 of the alarm housing 12 .
- the rails 28 are elongated and extend for the entire length of the channel 20 .
- each rail 28 is a linear set of L-shaped protrusions 34 .
- the channel 20 is approximately parallel to the surface 22 , and has a cross-section that can be any shape as long as the width of some part of the inner surface 26 is greater than the width of the opening 24 . Examples include rectangular, as in FIG. 5, trapezoidal, as in a dovetail, and mushroom. The shape must be such that the rails 28 , 34 are thick enough so as not to bend outwardly significantly when subjected to a relatively large amount of pulling force, as at 30 . At least one end of the channel 20 is open at an ingress 32 .
- the receiver 14 is located permanently on the surface 40 of the portable article 8 , and provides a pair of opposed flanges 42 spaced from and approximately parallel to the surface 40 of the portable article 8 , so that there is a narrow groove 46 between the flange 42 and article surface 40 .
- the present invention contemplates that the receiver 14 can be either manufactured integrally with the portable article 8 or retrofitted to a pre-existing portable article 8 .
- the retrofit version of the receiver 14 is preferably permanently fastened to the portable article 8 by whatever manner is appropriate, such as by a permanent adhesive or non-removable fasteners.
- the receiver 14 is removably attached to the portable article 8 by, for example, screws. The screws can be removed when the alarm housing 12 is not installed on the receiver 14 , but are not accessible when the alarm housing 12 is installed on the receiver 14 .
- the alarm housing 12 is installed on the receiver 14 by sliding the channels 20 onto the receiver flanges 42 .
- the dimensions of the channels 20 and flanges 42 are such that they fit together easily, but relatively snugly. A snug fit reduces unwanted play between the alarm housing 12 and receiver 14 .
- all channels 20 and flanges 42 have the same dimensions so that the alarm housing 12 may be installed in either direction.
- the channels 20 and flanges 42 have different dimensions so that the alarm housing 12 can only be installed in one direction.
- the channels 20 and flanges 42 are skewed slightly so that the alarm housing 12 can only be installed in one direction.
- the alarm housing 12 houses the locking, securing, and alarm mechanisms of the device 10 .
- the locking mechanism 54 provides the security for the device 10 .
- the locking mechanism 54 may be operated by a key or by a combination 58 , as shown in FIGS. 1 and 2.
- Various appropriate locking mechanisms are well-known in the art and all are contemplated for use by the present invention.
- the alarm housing 12 is secured to the receiver 14 by a lock bolt 50 that extends from the alarm housing 12 between the channels 20 into a shaped depression 52 in the receiver 14 .
- a lock bolt 50 that extends from the alarm housing 12 between the channels 20 into a shaped depression 52 in the receiver 14 .
- the bolt 50 is both extended and retracted by the locking mechanism 54 .
- the alarm housing 12 is installed on the receiver 14 with the bolt 50 retracted into the alarm housing 12 , and then the locking mechanism 54 is operated to extend the bolt 50 into the depression 52 .
- the locking mechanism 54 is operated to retract the bolt 50 from the depression 52 and the alarm housing 12 is removed from the receiver 14 .
- the bolt 50 has a curved leading edge and is biased out of the alarm housing 12 , typically by a spring that is part of the locking mechanism 54 .
- the bolt 50 is pushed back into the alarm housing 12 as it passes over the upper surface 56 of the receiver 14 . Then, when the bolt 50 passes over the depression 52 , the biasing mechanism causes the bolt 50 to snap into the depression 52 .
- the alarm housing 12 is removed by operating the locking mechanism 54 to retract the bolt 50 from the depression 52 .
- the fourth configuration makes use of the bolt 50 that is biased out of the alarm housing 12 .
- the bolt 50 snaps into the depression 52 , preventing the alarm housing 12 from moving farther onto the receiver 14 .
- the leading edge of the bolt 50 cannot be curved where it contacts the edge of the depression 52 , otherwise the bolt 50 could be forced back up into the alarm housing 12 by continuing to push the alarm housing onto the receiver 14 .
- the alarm housing 12 includes a cable 60 , which has several contemplated configurations.
- the cable 60 In the first configuration, shown in FIG. 1, the cable 60 is retractable, and is permanently attached by one end inside the alarm housing 12 .
- Depressing a cable pushbutton 62 a component of the locking mechanism 54 , releases the cable 60 so that it can be pulled from the alarm housing 12 , and when the cable pushbutton 62 is released, a brake holds the cable 60 to the length pulled from the alarm housing 12 .
- Depressing the cable pushbutton 62 when the cable 60 is extended from the alarm housing 12 causes the internal spring mechanism to pull the cable 60 back into the alarm housing 12 .
- the cable 60 After being pulled from the alarm housing 12 , the cable 60 is looped around the stationary object to which the article 8 is being secured. A plug 68 at the end of the cable 60 is then plugged into a socket 66 in the alarm housing 12 , where it is latched.
- the socket 66 is operated by a socket pushbutton 64 , a component of the locking mechanism 54 .
- the locking mechanism 54 When the locking mechanism 54 is not engaged, depressing the socket pushbutton 64 releases the cable plug 68 from the socket 66 .
- the socket pushbutton 64 When the locking mechanism 54 is engaged, the socket pushbutton 64 will not operate, and when the cable plug 68 is latched into the socket 66 , the cable pushbutton 62 will not operate.
- Using two pushbuttons provides a safety feature.
- the second configuration uses an independent cable 70 with a plug 74 that fits into a socket 72 .
- a single button 86 provides enough functionality. It is also contemplated that the alarm housing 12 is designed to accommodate both cable configurations alternatively.
- the alarm housing 12 includes an audible alarm 76 that is triggered by one or more of a number of optional means.
- a block diagram of the alarm circuit 88 is shown in FIG. 7 . Since alarm circuit 88 is electric, it needs a battery 82 for power.
- the battery 82 is housed in a compartment covered by a hatch 78 on the under side of the alarm housing 12 .
- the hatch 78 is placed so that when the alarm housing 12 is installed on the receiver 14 , the hatch 78 cannot be removed, denying access to the battery 82 .
- the cable pushbutton 62 or locking mechanism 54 provides a means for securing the hatch 78 . In one mechanism, shown in FIG.
- a rod 92 operated by the cable pushbutton 62 acts as a deadbolt by fitting in an aperture 94 in a flange 96 on the hatch 78 .
- the rod 92 is retracted from the aperture 94 , as at 98 , allowing the hatch 78 to be removed.
- One method for triggering the alarm 76 is by cutting the cable 60 , 70 .
- the cable 60 of FIG. 1 completes an arming circuit when it is plugged into the socket 66 . If the cable 60 is cut, the circuit is broken, and the alarm 76 sounds.
- the independent cable 70 of FIG. 6 could include a wire loop that extends the length of the cable 70 and has both ends at the plug 74 . When the plug 74 is inserted in the socket 72 , the arming circuit is completed, and if the cable 70 is cut, the circuit is broken, causing the alarm 76 to sound.
- a motion detector 84 typically a mercury switch or a spring switch that breaks a circuit when moved.
- the motion detector 84 may be armed by plugging the cable 60 , 70 into the socket 66 , 72 .
- the alarm 76 triggers when the alarm housing 12 (and, consequently, the portable article 8 to which it is attached) is moved. Typically, there will be a delay of some seconds before the alarm 76 is armed so that the motion detector 84 will not set off the alarm 76 prematurely.
- the motion detector 84 can be set to different sensitivities by means of a sensitivity button 80 accessible from the outside of the alarm housing 12 .
- the button 80 may toggle through several levels of sensitivity, including the ability to completely disable the motion detector 84 .
- the button 80 is located between the channels 20 on the under side of the alarm housing 12 so that it is not accessible when the alarm housing 12 is installed on the receiver 14 .
- the alarm housing 12 includes a means to control which triggering mechanism is active.
- the motion alarm sensitivity button incorporates control functions as additional toggles of the button 80 .
- the motion alarm sensitivity button incorporates control functions as additional toggles of the button 80 .
- the motion alarm sensitivity button incorporates control functions as additional toggles of the button 80 .
- the motion alarm sensitivity button incorporates control functions as additional toggles of the button 80 .
- the motion alarm sensitivity button incorporates control functions as additional toggles of the button 80 .
- separate switch controls which triggering mechanism is active.
Abstract
Description
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/400,593 US6177869B1 (en) | 1999-09-21 | 1999-09-21 | Removable security device for portable articles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/400,593 US6177869B1 (en) | 1999-09-21 | 1999-09-21 | Removable security device for portable articles |
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US6177869B1 true US6177869B1 (en) | 2001-01-23 |
Family
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US09/400,593 Expired - Lifetime US6177869B1 (en) | 1999-09-21 | 1999-09-21 | Removable security device for portable articles |
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6353389B1 (en) * | 1997-11-26 | 2002-03-05 | Matsuo Sangyo Kabushiki Kaisha | Shoplift alarming device |
US6529144B1 (en) * | 2000-09-22 | 2003-03-04 | Motorola Inc. | Method and apparatus for motion activated control of an electronic device |
US6578394B2 (en) | 2001-09-06 | 2003-06-17 | Hewlett-Packard Development Company | Portable computer security device |
US6700488B1 (en) * | 2002-09-05 | 2004-03-02 | Se-Kure Controls, Inc. | Security system for a portable device |
US20040108938A1 (en) * | 2002-12-10 | 2004-06-10 | Entrekin David A. | Portable electronic locking system and method |
US20050206521A1 (en) * | 2004-03-18 | 2005-09-22 | Se-Kure Controls, Inc. | Security system for portable articles |
US20050206522A1 (en) * | 2004-03-18 | 2005-09-22 | Se-Kure Controls, Inc. | Security system for a portable article |
US20060170550A1 (en) * | 2005-01-14 | 2006-08-03 | Alpha Security Products, Inc. | Cable alarm security device |
US20060170549A1 (en) * | 2005-01-14 | 2006-08-03 | Alpha Security Products, Inc. | Portable alarming security device |
US20060202807A1 (en) * | 2005-02-28 | 2006-09-14 | Mike Chen | Vibration induction type alarm |
US20070001827A1 (en) * | 2005-06-30 | 2007-01-04 | Intel Corporation | Remote asset management of computer systems |
DE102005036337A1 (en) * | 2005-07-29 | 2007-02-15 | Bühs, Heinrich | Alarm system for safety of e.g. camera, has transmitter separated spatially from receiver and arranged in effective radius of continuous radio communication to receiver, where transmitter releases alarm when radio communication breaks-off |
US20070120669A1 (en) * | 2005-11-29 | 2007-05-31 | Alpha Security Products, Inc. | Security device with perimeter alarm |
US20070164860A1 (en) * | 2006-01-13 | 2007-07-19 | Marsilio Ronald M | Theft deterrent device with dual sensor assembly |
US20070171061A1 (en) * | 2006-01-13 | 2007-07-26 | Alpha Security Products, Inc. | Theft deterrent device with dual sensor assembly |
US20100319413A1 (en) * | 2007-03-13 | 2010-12-23 | Mw Security Ab | Security device |
US7921682B1 (en) * | 2009-12-15 | 2011-04-12 | Jieh-Jung Chang | Padlock with alarm function |
US20110227706A1 (en) * | 2008-02-22 | 2011-09-22 | Xiao Hui Yang | EAS Tag with Wrapping Tethers and Cover |
US8373566B2 (en) | 2008-02-22 | 2013-02-12 | Xiao Hui Yang | Security apparatus with tether |
US8373565B2 (en) | 2008-02-22 | 2013-02-12 | Xiao Hui Yang | Security apparatus with conductive ribbons |
GB2549698A (en) * | 2016-04-14 | 2017-11-01 | Phillips Charles | Tamper indicating device for a zipper |
WO2018083393A1 (en) * | 2016-11-04 | 2018-05-11 | Ico | System for protection from loss or theft of a physical card |
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USD388310S (en) | 1996-11-01 | 1997-12-30 | Chong-Kuan Ling | Retractable wire combination lock with alarming device |
US5870023A (en) * | 1998-01-07 | 1999-02-09 | Jackson; Gerald Lynwood | Golf bag alarm |
US5912623A (en) * | 1997-11-28 | 1999-06-15 | Alert Systems Corporation | House arrest monitoring system with improved tamper detection |
US5960651A (en) * | 1997-11-07 | 1999-10-05 | Fujitsu Limited | Theft prevention mechanism for information processing apparatus |
US5973569A (en) * | 1998-02-25 | 1999-10-26 | National Semiconductor Corporation | Short-circuit protection and over-current modulation to maximize audio amplifier output power |
US5999799A (en) * | 1996-04-26 | 1999-12-07 | Samsung Electronics Co., Ltd. | Auto-finder and distance warning method and apparatus for a remote control input device |
US6069563A (en) * | 1996-03-05 | 2000-05-30 | Kadner; Steven P. | Seal system |
US6118380A (en) * | 1999-02-17 | 2000-09-12 | Gannon; Heather | Switch arrangement for child finder apparatus |
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US6069563A (en) * | 1996-03-05 | 2000-05-30 | Kadner; Steven P. | Seal system |
US5999799A (en) * | 1996-04-26 | 1999-12-07 | Samsung Electronics Co., Ltd. | Auto-finder and distance warning method and apparatus for a remote control input device |
USD388310S (en) | 1996-11-01 | 1997-12-30 | Chong-Kuan Ling | Retractable wire combination lock with alarming device |
US5960651A (en) * | 1997-11-07 | 1999-10-05 | Fujitsu Limited | Theft prevention mechanism for information processing apparatus |
US5912623A (en) * | 1997-11-28 | 1999-06-15 | Alert Systems Corporation | House arrest monitoring system with improved tamper detection |
US5870023A (en) * | 1998-01-07 | 1999-02-09 | Jackson; Gerald Lynwood | Golf bag alarm |
US5973569A (en) * | 1998-02-25 | 1999-10-26 | National Semiconductor Corporation | Short-circuit protection and over-current modulation to maximize audio amplifier output power |
US6118380A (en) * | 1999-02-17 | 2000-09-12 | Gannon; Heather | Switch arrangement for child finder apparatus |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6353389B1 (en) * | 1997-11-26 | 2002-03-05 | Matsuo Sangyo Kabushiki Kaisha | Shoplift alarming device |
US6529144B1 (en) * | 2000-09-22 | 2003-03-04 | Motorola Inc. | Method and apparatus for motion activated control of an electronic device |
US6578394B2 (en) | 2001-09-06 | 2003-06-17 | Hewlett-Packard Development Company | Portable computer security device |
US6700488B1 (en) * | 2002-09-05 | 2004-03-02 | Se-Kure Controls, Inc. | Security system for a portable device |
US20040046662A1 (en) * | 2002-09-05 | 2004-03-11 | Leyden Roger J. | Security system for a portable device |
US20040108938A1 (en) * | 2002-12-10 | 2004-06-10 | Entrekin David A. | Portable electronic locking system and method |
US7187283B2 (en) | 2004-03-18 | 2007-03-06 | Se-Kure Controls, Inc. | Security system for a portable article |
US20050206521A1 (en) * | 2004-03-18 | 2005-09-22 | Se-Kure Controls, Inc. | Security system for portable articles |
US20050206522A1 (en) * | 2004-03-18 | 2005-09-22 | Se-Kure Controls, Inc. | Security system for a portable article |
US7242280B2 (en) * | 2004-03-18 | 2007-07-10 | Se-Kure Controls, Inc. | Security system for portable articles |
US20060170550A1 (en) * | 2005-01-14 | 2006-08-03 | Alpha Security Products, Inc. | Cable alarm security device |
US20060170549A1 (en) * | 2005-01-14 | 2006-08-03 | Alpha Security Products, Inc. | Portable alarming security device |
US7474209B2 (en) * | 2005-01-14 | 2009-01-06 | Checkpoint Systems, Inc. | Cable alarm security device |
US20080061975A1 (en) * | 2005-01-14 | 2008-03-13 | Alpha Security Products, Inc. | Portable alarming security device |
US20060202807A1 (en) * | 2005-02-28 | 2006-09-14 | Mike Chen | Vibration induction type alarm |
US20070001827A1 (en) * | 2005-06-30 | 2007-01-04 | Intel Corporation | Remote asset management of computer systems |
DE102005036337A1 (en) * | 2005-07-29 | 2007-02-15 | Bühs, Heinrich | Alarm system for safety of e.g. camera, has transmitter separated spatially from receiver and arranged in effective radius of continuous radio communication to receiver, where transmitter releases alarm when radio communication breaks-off |
DE102005036337B4 (en) * | 2005-07-29 | 2008-04-17 | Bühs, Heinrich | alarm system |
US20070120669A1 (en) * | 2005-11-29 | 2007-05-31 | Alpha Security Products, Inc. | Security device with perimeter alarm |
US20070164860A1 (en) * | 2006-01-13 | 2007-07-19 | Marsilio Ronald M | Theft deterrent device with dual sensor assembly |
US7446659B2 (en) | 2006-01-13 | 2008-11-04 | Invue Security Products Inc. | Theft deterrent device with dual sensor assembly |
US20070171061A1 (en) * | 2006-01-13 | 2007-07-26 | Alpha Security Products, Inc. | Theft deterrent device with dual sensor assembly |
US20100319413A1 (en) * | 2007-03-13 | 2010-12-23 | Mw Security Ab | Security device |
US20110227706A1 (en) * | 2008-02-22 | 2011-09-22 | Xiao Hui Yang | EAS Tag with Wrapping Tethers and Cover |
US8368543B2 (en) | 2008-02-22 | 2013-02-05 | Xiao Hui Yang | EAS tag with wrapping tethers and cover |
US8373566B2 (en) | 2008-02-22 | 2013-02-12 | Xiao Hui Yang | Security apparatus with tether |
US8373565B2 (en) | 2008-02-22 | 2013-02-12 | Xiao Hui Yang | Security apparatus with conductive ribbons |
US7921682B1 (en) * | 2009-12-15 | 2011-04-12 | Jieh-Jung Chang | Padlock with alarm function |
GB2549698A (en) * | 2016-04-14 | 2017-11-01 | Phillips Charles | Tamper indicating device for a zipper |
GB2549698B (en) * | 2016-04-14 | 2020-06-10 | Phillips Charles | Tamper indicating device for a zipper |
WO2018083393A1 (en) * | 2016-11-04 | 2018-05-11 | Ico | System for protection from loss or theft of a physical card |
FR3058551A1 (en) * | 2016-11-04 | 2018-05-11 | Ico | CASE CONNECTED FOR CARD |
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